Error if I visit the "Confirmation Link" for an account that has already been confirmed.

[ACPK]

Here's the error I get:

 localhost:4000 (http)
Request: POST /api/v1/users/45/confirm
** (exit) an exception was raised:
    ** (FunctionClauseError) no function clause matching in PhoenixTokenAuth.Confirmator.confirmation_changeset/2
        lib/phoenix_token_auth/confirmator.ex:31: PhoenixTokenAuth.Confirmator.confirmation_changeset(%CallRedApp.User{__meta__: %Ecto.Schema.Metadata{source: {nil, "users"}, state: :loaded}, authentication_tokens: ["eyJ0eXAiOiJKV1QiLCJhbGciOiJIUzI1NiJ9.eyJ0b2tlbl9pZCI6ImttV2wyWXkvcTBjaHNtVlV6WENOTVhsMEVlVHpQbUFRIiwiaWQiOjQ1LCJleHAiOjE0Mzk2ODk5NTN9.OXIeHuFLgz3YMGJmmiHocbiHhY2ryOVmuZ4ECLr1NLk", "eyJ0eXAiOiJKV1QiLCJhbGciOiJIUzI1NiJ9.eyJ0b2tlbl9pZCI6IkZvVWJ6OUx5VUMzc3FXaERDU25pblVTb2VZd21qM3BqIiwiaWQiOjQ1LCJleHAiOjE0Mzk2ODg3NDh9.A3o32ObKIgNQaX4aaCKocGQlV6mSYFlNMbnCNo_oNm4", "eyJ0eXAiOiJKV1QiLCJhbGciOiJIUzI1NiJ9.eyJ0b2tlbl9pZCI6IkMvVXF3K20ra3BQcExXQndDWW1xbmlpMmJQS29oQWZtIiwiaWQiOjQ1LCJleHAiOjE0Mzk2ODg3MTl9.O_W-07Bjz02FE0m8OwpPcavNRl0iS_zFV957yw_xWdM"], confirmed_at: %Ecto.DateTime{day: 9, hour: 1, min: 31, month: 8, sec: 59, usec: 0, year: 2015}, email: "ak+34343434@adfadfdsfsdf.com", first_name: nil, hashed_confirmation_token: nil, hashed_password: "$2b$12$vJvB1UizlIa3W4sGUmmObe2s2xOxKohecKhgWo9aUKFtri6zkMrr.", hashed_password_reset_token: nil, id: 45, inserted_at: %Ecto.DateTime{day: 9, hour: 0, min: 37, month: 8, sec: 5, usec: 0, year: 2015}, last_name: nil, messages: #Ecto.Association.NotLoaded<association :messages is not loaded>, phone_number: nil, state: nil, superadmin: false, unconfirmed_email: nil, updated_at: %Ecto.DateTime{day: 9, hour: 1, min: 52, month: 8, sec: 33, usec: 0, year: 2015}}, %{"confirmation_token" => "SxUR7vHzw4fc271nUYxre8n3d9CP97YRxdJbmueMNInxFfRS_yQ86yYxYJzFBTyDGdHytMphpN7XU3MiM3LODQ", "format" => "json", "id" => "45"})
        lib/phoenix_token_auth/controllers/users_controller.ex:70: PhoenixTokenAuth.Controllers.Users.confirm/2
        lib/phoenix_token_auth/controllers/users_controller.ex:1: PhoenixTokenAuth.Controllers.Users.phoenix_controller_pipeline/2

[manukall]

i agree that's not the best way to handle this. you could catch the response status in your frontend and show some message to the user for now. should be handled better in phoenix_token_auth though.